I know some.

Finobe (which is shut down ATM because it got C&D'd by ROBLOX and now Ray is having a mental breakdown)
Goodblox (which is shut down ATM because of the IP grabbing situation)
Graphictoria
Vintageorium
Protemis.ml
Yakablox
Rhodum (which is shut down ATM because of it getting DDoSed by XlXi) (too epic to be rat)
Bloxtopia (now Polytoria which is no longer a revival)
Otorium (Coming back)
Rottenovaryblox
KARLBLOX
Timeblox.me
Bloxio.cf
Dynamica (RIP due to complaints)
Rewinder (RIP due to well, IDK? Virus in client? DMCA? Raids? Finobe?)
VitaBlox
RBXLegacy
BESTBLOX (RIP due to unknown reasons, actually shut down a month after release)
BRUHBLOX (RIP due to reasons, started redirecting to a pornhub clone)
EPIKBLOX (canceled)
PoliBLX
RBXLegacy
Novetus
Origins06
Origins07
(Bill) Cypher

On ROBLOX:
Super Nostalgia Zone
RETROBLOX/Retro Studio
Flexiblebanjo's Wayback Machine

95% of these shutdown.
Anyways, thank you.

Plus, rhodum was a R.A.T and XixI had nothing to do with it.

Bloxilita (shut due to the site being so GAY, it was so easy to hack)

RATs?
🐭🐭🐭🐭🐭🐭🐭🐭🐭🐭🐭🐭🐭🐀🐀🐀🐀🐀🐀🐀🐀🐀

Okay, but what happened to bloxio.cf

bloxio has a funny little flash horror game lol

Rainway its not ready yet
Site at rainway.xyz

How To use KARLBLOX

[ Content Removed ]

Most of them shut down